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  3. /turb

turb

Latin

Variants

turbturbul

Related Roots

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About This Root

From Latin turba (tumult, crowd, commotion) and turbāre (to disturb, confuse). The root spans disorder and energy: disturb (throw into confusion), turbulent (violently agitated), perturb (thoroughly disturb), trouble (from Old French, same root), and turbine/turbo (harnessing turbulent spinning force). Imperturbable means "unable to be disturbed" — unshakably calm.

Associated Words

disturb

To interrupt someone's peace or calm; to cause worry or distress

NGSL 3kIELTSTOEFL

disturbance

An interruption of peace or order; a noisy commotion; emotional upset

IELTSTOEFLB1

disturbed

Having emotional or mental problems; deeply upset

A2

disturber

A person or thing that disturbs peace or order

A2

disturbing

Causing worry or unease; upsetting

A2

disturbingly

In a way that causes unease or alarm

A2

imperturbable

Remaining calm and composed even under pressure

GREC2

imperturbably

In a calm, untroubled manner

C2

imperturbation

A state of mental calm and composure

perturb

To make someone anxious or unsettled; to disturb

IELTSTOEFLC2

perturbative

Tending to cause disturbance or disruption

C2

perturbed

Feeling anxious or unsettled; disturbed from a normal state

C2

trouble

difficulty or problems; to cause worry or distress

NGSL 1kIELTSTOEFL

troublesome

Causing difficulty or worry

TOEFLB2

troubling

Causing worry or distress

TOEFLA2

turbid

Cloudy or muddy; unclear

C2

turbidity

The cloudiness of a liquid due to suspended particles

C2

turbine

A rotary engine driven by a stream of fluid to generate power; 涡轮机,汽轮机

B2

turbo

A turbocharger; relating to increased speed or power

C2

turbulence

Irregular disruptive movement in air or fluid; social or political disorder; 湍流;动荡,骚乱

TOEFLB1

turbulent

Characterized by disorder and violent disturbance; moving in an irregular way; 动荡的,混乱的;湍急的

IELTSTOEFLGRE

turmoil

A state of great confusion or disorder

IELTSTOEFLGRE

undisturbed

Not disturbed; calm and peaceful

TOEFLA2

unperturbed

Calm and not worried or disturbed

C2